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Finding the Fourth Proportional to 7,055.88, 10,568.91 and 5,661.66

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Solution

The fourth proportional to 7,055.88, 10,568.91 and 5,661.66 is: 8,480.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.88 : 10,568.91 = 5,661.66 : x
  2. Step 2: Convert to fraction form
    7,055.88/10,568.91 = 5,661.66/x
  3. Step 3: Cross multiply
    7,055.88x = 10,568.91 × 5,661.66
  4. Step 4: Simplify right side
    7,055.88x = 59,837,574.99
  5. Step 5: Solve for x
    x = 59,837,574.99/7,055.88
  6. Step 6: Final answer
    x = 8,480.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.